pgtable-2level.h File Reference

Go to the source code of this file.

Macros
#define	pte_ERROR(e)   pr_err("%s:%d: bad pte %08lx\n", __FILE__, __LINE__, (e).pte_low)
#define	pgd_ERROR(e)   pr_err("%s:%d: bad pgd %08lx\n", __FILE__, __LINE__, pgd_val(e))
#define	native_ptep_get_and_clear(xp)   native_local_ptep_get_and_clear(xp)
#define	native_pmdp_get_and_clear(xp)   native_local_pmdp_get_and_clear(xp)
#define	PTE_FILE_MAX_BITS   29
#define	PTE_FILE_SHIFT1   (_PAGE_BIT_PRESENT + 1)
#define	PTE_FILE_SHIFT2   (_PAGE_BIT_PROTNONE + 1)
#define	PTE_FILE_SHIFT3   (_PAGE_BIT_FILE + 1)
#define	PTE_FILE_BITS1   (PTE_FILE_SHIFT2 - PTE_FILE_SHIFT1 - 1)
#define	PTE_FILE_BITS2   (PTE_FILE_SHIFT3 - PTE_FILE_SHIFT2 - 1)
#define	pte_to_pgoff(pte)
#define	pgoff_to_pte(off)
#define	SWP_TYPE_BITS   (_PAGE_BIT_PROTNONE - _PAGE_BIT_PRESENT - 1)
#define	SWP_OFFSET_SHIFT   (_PAGE_BIT_FILE + 1)
#define	MAX_SWAPFILES_CHECK()   BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS)
#define	__swp_type(x)
#define	__swp_offset(x)   ((x).val >> SWP_OFFSET_SHIFT)
#define	__swp_entry(type, offset)
#define	__pte_to_swp_entry(pte)   ((swp_entry_t) { (pte).pte_low })
#define	__swp_entry_to_pte(x)   ((pte_t) { .pte = (x).val })

Macro Definition Documentation

#define __pte_to_swp_entry

(

pte

)

((swp_entry_t) { (pte).pte_low })

Definition at line 108 of file pgtable-2level.h.

#define __swp_entry	(		type,
			offset
	)

Value:

((swp_entry_t) { \
                     ((type) << (_PAGE_BIT_PRESENT + 1)) \
                     | ((offset) << SWP_OFFSET_SHIFT) })

Definition at line 105 of file pgtable-2level.h.

#define __swp_entry_to_pte

(

x

)

((pte_t) { .pte = (x).val })

Definition at line 109 of file pgtable-2level.h.

#define __swp_offset

(

x

)

((x).val >> SWP_OFFSET_SHIFT)

Definition at line 104 of file pgtable-2level.h.

#define __swp_type

(

x

)

Value:

(((x).val >> (_PAGE_BIT_PRESENT + 1)) \
                     & ((1U << SWP_TYPE_BITS) - 1))

Definition at line 102 of file pgtable-2level.h.

#define MAX_SWAPFILES_CHECK

(

)

BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS)

Definition at line 100 of file pgtable-2level.h.

#define native_pmdp_get_and_clear

(

xp

)

native_local_pmdp_get_and_clear(xp)

Definition at line 55 of file pgtable-2level.h.

#define native_ptep_get_and_clear

(

xp

)

native_local_ptep_get_and_clear(xp)

Definition at line 46 of file pgtable-2level.h.

#define pgd_ERROR

(

e

)

pr_err("%s:%d: bad pgd %08lx\n", __FILE__, __LINE__, pgd_val(e))

Definition at line 6 of file pgtable-2level.h.

#define pgoff_to_pte

(

off

)

Value:

((pte_t) { .pte_low =                       \
     (((off) & ((1U << PTE_FILE_BITS1) - 1)) << PTE_FILE_SHIFT1)    \
     + ((((off) >> PTE_FILE_BITS1) & ((1U << PTE_FILE_BITS2) - 1))  \
        << PTE_FILE_SHIFT2)                     \
     + (((off) >> (PTE_FILE_BITS1 + PTE_FILE_BITS2))        \
        << PTE_FILE_SHIFT3)                     \
     + _PAGE_FILE })

Definition at line 82 of file pgtable-2level.h.

#define pte_ERROR

(

e

)

pr_err("%s:%d: bad pte %08lx\n", __FILE__, __LINE__, (e).pte_low)

Definition at line 4 of file pgtable-2level.h.

#define PTE_FILE_BITS1   (PTE_FILE_SHIFT2 - PTE_FILE_SHIFT1 - 1)

Definition at line 71 of file pgtable-2level.h.

#define PTE_FILE_BITS2   (PTE_FILE_SHIFT3 - PTE_FILE_SHIFT2 - 1)

Definition at line 72 of file pgtable-2level.h.

#define PTE_FILE_MAX_BITS   29

Definition at line 62 of file pgtable-2level.h.

#define PTE_FILE_SHIFT1   (_PAGE_BIT_PRESENT + 1)

Definition at line 63 of file pgtable-2level.h.

#define PTE_FILE_SHIFT2   (_PAGE_BIT_PROTNONE + 1)

Definition at line 68 of file pgtable-2level.h.

#define PTE_FILE_SHIFT3   (_PAGE_BIT_FILE + 1)

Definition at line 69 of file pgtable-2level.h.

#define pte_to_pgoff

(

pte

)

Value:

((((pte).pte_low >> PTE_FILE_SHIFT1)                \
      & ((1U << PTE_FILE_BITS1) - 1))               \
     + ((((pte).pte_low >> PTE_FILE_SHIFT2)             \
         & ((1U << PTE_FILE_BITS2) - 1)) << PTE_FILE_BITS1)     \
     + (((pte).pte_low >> PTE_FILE_SHIFT3)              \
        << (PTE_FILE_BITS1 + PTE_FILE_BITS2)))

Definition at line 74 of file pgtable-2level.h.

#define SWP_OFFSET_SHIFT   (_PAGE_BIT_FILE + 1)

Definition at line 97 of file pgtable-2level.h.

#define SWP_TYPE_BITS   (_PAGE_BIT_PROTNONE - _PAGE_BIT_PRESENT - 1)

Definition at line 96 of file pgtable-2level.h.